media: Let VideoFrame carry more than one native texture.

content/renderer/media/rtc_video_decoder.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/rtc_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 402 matching lines @@
 scoped_refptr<media::VideoFrame> RTCVideoDecoder::CreateVideoFrame(
     const media::Picture& picture,
     const media::PictureBuffer& pb,
     uint32_t timestamp) {
   gfx::Rect visible_rect(picture.visible_rect());
   DCHECK(decoder_texture_target_);
   // Convert timestamp from 90KHz to ms.
   base::TimeDelta timestamp_ms = base::TimeDelta::FromInternalValue(
       base::checked_cast<uint64_t>(timestamp) * 1000 / 90);
   return media::VideoFrame::WrapNativeTexture(
-      make_scoped_ptr(new gpu::MailboxHolder(pb.texture_mailbox(),
-                                             decoder_texture_target_, 0)),
+      gpu::MailboxHolder(pb.texture_mailbox(), decoder_texture_target_, 0),
       media::BindToCurrentLoop(base::Bind(
           &RTCVideoDecoder::ReleaseMailbox, weak_factory_.GetWeakPtr(),
           factories_, picture.picture_buffer_id(), pb.texture_id())),
       pb.size(), visible_rect, visible_rect.size(), timestamp_ms,
       picture.allow_overlay());
 }
 
 void RTCVideoDecoder::NotifyEndOfBitstreamBuffer(int32 id) {
   DVLOG(3) << "NotifyEndOfBitstreamBuffer. id=" << id;
   DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent();
@@ skipping 344 matching lines @@
   UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoDecoderInitDecodeSuccess", sample);
   return status;
 }
 
 void RTCVideoDecoder::DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent()
     const {
   DCHECK(factories_->GetTaskRunner()->BelongsToCurrentThread());
 }
 
 }  // namespace content